#include <Windows.h>  

#define U   (CUtf8String)  
#define W   (CGb2312String)  

class CUtf8String  
{  
public:  
	inline CUtf8String(const char* gb2312)  
	{  
		m_bIsConst = true;  
#ifdef TEST_TYPE_MAP  
		if (m[gb2312])  
		{  
			m_utf8 = m[gb2312];  
			return ;  
		}  
#endif  
		int buffLen = 0;  
		WCHAR wbuff[5120];  
		MultiByteToWideChar(CP_ACP, 0, gb2312, -1, wbuff, 5120);  
		buffLen = WideCharToMultiByte(CP_UTF8, 0, wbuff, -1, NULL, 0, 0, 0);  
		m_utf8 = new char[buffLen+1];  
		WideCharToMultiByte(CP_UTF8, 0, wbuff, -1, (LPSTR)m_utf8, buffLen, 0, 0);  
#ifdef TEST_TYPE_MAP  
		m[gb2312] = m_utf8;  
#endif  
	}  

	inline CUtf8String(char* gb2312)  
	{  
		m_bIsConst = false;  
		int buffLen = 0;  
		WCHAR wbuff[5120];  
		MultiByteToWideChar(CP_ACP, 0, gb2312, -1, wbuff, 5120);  
		buffLen = WideCharToMultiByte(CP_UTF8, 0, wbuff, -1, NULL, 0, 0, 0);  
		m_utf8 = new char[buffLen+1];  
		WideCharToMultiByte(CP_UTF8, 0, wbuff, -1, (LPSTR)m_utf8, buffLen, 0, 0);  
	}  

	inline ~CUtf8String()  
	{  
#ifndef TEST_TYPE_MAP  
		if (m_utf8)  
		{  
			delete m_utf8;  
			m_utf8 = 0;  
		}  
#else  
		if (!m_bIsConst)  
		{  
			if (m_utf8)  
			{  
				delete m_utf8;  
				m_utf8 = 0;  
			}  
		}  
#endif  
	}  

	inline operator char*()  
	{  
		return (char*)m_utf8;  
	}  
private:  
	const char* m_utf8;  
	bool m_bIsConst;  
#ifdef TEST_TYPE_MAP  
	static strmap m;  
#endif  
};  

class CGb2312String  
{  
public:  
	inline CGb2312String(const char* utf8)  
	{  
#ifdef TEST_TYPE_MAP  
		if (m[utf8])  
		{  
			m_gb2312 = 0;  
			m_gb2312 = m[utf8];  
		}  
#endif  
		int buffLen = 0;  
		WCHAR wbuff[5120];  
		MultiByteToWideChar(CP_UTF8, 0, utf8, -1, wbuff, 5120);  
		buffLen = WideCharToMultiByte(CP_ACP, 0, wbuff, -1, NULL, 0, 0, 0);  
		m_gb2312 = new char[buffLen+1];  
		WideCharToMultiByte(CP_ACP, 0, wbuff, -1, (LPSTR)m_gb2312, buffLen, 0, 0);  
#ifdef TEST_TYPE_MAP  
		m[utf8] = m_gb2312;  
#endif  
	}  

	inline CGb2312String(char* utf8)  
	{  
#ifdef TEST_TYPE_MAP  
		if (m[utf8])  
		{  
			m_gb2312 = 0;  
			m_gb2312 = m[utf8];  
		}  
#endif  
		int buffLen = 0;  
		WCHAR wbuff[5120];  
		MultiByteToWideChar(CP_UTF8, 0, utf8, -1, wbuff, 5120);  
		buffLen = WideCharToMultiByte(CP_ACP, 0, wbuff, -1, NULL, 0, 0, 0);  
		m_gb2312 = new char[buffLen+1];  
		WideCharToMultiByte(CP_ACP, 0, wbuff, -1, (LPSTR)m_gb2312, buffLen, 0, 0);  
#ifdef TEST_TYPE_MAP  
		m[utf8] = m_gb2312;  
#endif  
	}  

	inline ~CGb2312String()  
	{  
#ifndef TEST_TYPE_MAP  
		if (m_gb2312)  
		{  
			delete m_gb2312;  
			m_gb2312 = 0;  
		}  
#endif  
	}  

	inline operator char*()  
	{  
		return (char*)m_gb2312;  
	}  
private:  
	const char* m_gb2312;  
#ifdef TEST_TYPE_MAP  
	static strmap m;  
#endif  
};  